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PostHog

Developer Tools

Product analytics, feature flags, and session recordings

PostHog is an open-source product analytics platform. Its API lets you capture events, manage feature flags, query funnels, and retrieve session data.

Details

Auth Type
API Key (Authorization header)
Rate Limit
240 req/min
Pricing
Free up to 1M events/month; then $0.00045/event
Full Docs
Step 1: Save your provider key

This is NOT your Callio key. Enter the API key from the provider's dashboard (e.g. OpenAI/SendGrid).

API Key (Authorization header)

1. Go to your PostHog project Settings > Project API key 2. Copy your project API key 3. Paste it in the API Key field

Get API Credentials

Getting Started

1

Try It Instantly

Click "Try It" above to test the API in the playground

2

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Track user events
Manage feature flags
Funnel analysis
A/B testing
Cohort creation

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
'https://www.callio.dev/api/proxy/posthog/forward?target=https%3A%2F%2Fus.i.posthog.com%2Fendpoint' \
-H 'Authorization: Bearer YOUR_CALLIO_KEY' \
-H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

Ready to integrate PostHog?

Test endpoints live or generate your API key and start building in minutes

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